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题型:阅读理解-阅读单选 难度:0.65 引用次数:95 题号:12341121

Tropical rainforests (热带雨林) are home to native peoples who rely on their surroundings for food, shelter, and medicines. Today very few forest people in many areas like the Philippines, Papua New Guinea live in traditional ways; most have been displaced by outside settlers or have been forced to give up their lifestyles by governments.

Of the remaining forest people, the Amazon supports the largest native or native populations, although these people, too, have been affected by the modern world. While they still depend on the forest for traditional hunting and gathering, most Amerindians, as American native people are called, grow crops, use western goods, and make regular trips to towns and cities to bring foods and products to market. In Africa there are native forest people sometimes known as pygmies. The tallest of these people, also called the Mbuti, are not more than 5 feet in height. Their small size enables them to move about the forest more quickly than taller people.

Tropical rainforests have supported humans since ancient times. Although forest life cannot be described as easy, these peoples have built their lives around the surrounding forest and its systems. Still, these forest people can teach us a lot about the rainforest. Their knowledge of medicinal plants used for treating illness is valuable, and they have a great understanding of the ecology (生态学) of the Amazon rainforest. As a result, they are a great storehouse of the knowledge about the forest. They know the medicinal functions of plants and understand the value of the forest as an undamaged ecosystem. As forests fall, these native peoples lose their homes and culture, resulting in the drop of the native population.

1. Where do the greatest number of native rainforest peoples live today?
A.In the Philippines .B.In Africa.
C.In the Amazon.D.In Papua New Guinea.
2. What do we know about most Amerindians?
A.They know little about growing some crops.
B.They make trips to towns and cities for trade.
C.They would like to use eastern goods in daily life.
D.They seldom know traditional hunting and gathering.
3. What can we learn from the third paragraph?
A.Forest people can get benefits from rainforests.
B.We can learn how to build storehouses from forest people .
C.Forest people live an easy and comfortable life as we imagine.
D.The knowledge of medicinal plants for treating illness can be ignored.
4. What is the purpose of this text?
A.To make an advertisement for tropical rainforests.
B.To introduce the lifestyles of the native forest people.
C.To spread the knowledge and value of the forest plants.
D.To raise the awareness of protecting tropical rainforests.

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【推荐1】A NASA-led international mission launched a radar (雷达) satellite from southern California. The satellite will be involved in a major project to research the world’s oceans, lakes and rivers.

The satellite is called SWOT, short for Surface Water and Ocean Topography. It is designed to give scientists a never-before-seen view of the Earth’s water, which covers about 70 percent of the planet.

About the size of a car, the satellite uses advanced microwave radar technology to collect detailed height and surface measurements of all bodies of water. The data will provide researchers with more information on the effects of climate change.

Data will be taken from radar readings of the planet at least two times every 21 days. The information will help study ocean currents, predict the weather, and control freshwater supplies in areas with little rain.

One major goal of the mission is to research how oceans absorb atmospheric heat and carbon dioxide (CO2) — the natural process that slows down temperatures and climate change.

SWOT is designed to measure small differences in surface heights around smaller currents, where much of the oceans’ reduction of heat and carbon is believed to happen. And SWOT can do so with 10 times more accurate (精确的) details than existing technologies.

The world’s oceans are estimated (估计) to have absorbed more than 90 percent of the extra heat trapped in the Earth’s atmosphere by human-caused greenhouse gas emissions. Studying how that happens will help climate scientists answer an important question: What is the turning point at which oceans start giving off, rather than absorbing, huge amounts of heat back into the atmosphere?

The satellite will also be used to study the effects of rising ocean levels. And it will be able to measure all rivers wider than 100 meters, as well as more than 1 million lakes and bodies of water larger than 6.25 hectares.

1. What will the data of the satellite help researchers do?
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C.Finding Out The Systems Of Water On The EarthD.Studying The Water Around The World From Space
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【推荐2】President Theodore Roosevelt is remembered for his speech. His lines included "speak softly and carry a big stick". He also said, "The government is us; we are the government, you and I." Roosevelt was also a conservationist and his skills came into play in support of that cause.

At the Conference of Governors in 1908, the question of what should be done with America's natural resources was discussed. It might sound ordinary now, but then it was something new. Roosevelt opened the conference with a speech titled "Conservation as a National Duty". Conservation "is second only ...to the great fundamental questions of morality". "We have become great in a material sense because of the wasteful use of our resources," he explained. "But the time has come to inquire seriously what will happen when our forests are gone, when the resources are used up, when the soils shall have been still further impoverished (使贫瘠) and washed into the streams, polluting the rivers and making the fields bare." He said by planning ahead, these could be avoided.

Roosevelt understood there would be impediments when saying resource use should be limited. For centuries citizens held the belief that the land with abundant resources belonged to them and allowed free use (and misuse) for survival and profit. Yet he also knew that was a must.

During his presidential years since 1901, he had worked to establish a system and create national wildlife reserves, but his opening speech in 1908 was a critical moment in conservation. It positioned conservation "in a way that reassessed America's past actions and warned its possible future if nature was not saved". The address greatly affected Americans,view of conservation. It made conservation sound public and moral rather than a private and economic issue. And Roosevelt did so on a grand stage: his event involved all levels of governments and created a spectacle (壮观的场面) for the press to report on. Newspapers which were filled with advance notice of the Conference of Governors wrote at length about the event and Roosevelt's speech.

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【推荐3】“One person’s trash is another person’s treasure.” That’s a common expression, but the next time you throw something away, think about a twist on the old saying. What if your trash could become your own treasure? Many creative, thrifty, and environmentally minded people have come up with a way to make that happen. It’s called upcycling. Our world would be a better place if everyone would begin upcycling.

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